[swift-evolution] [pitch] Eliminate the "T1 -> T2" syntax, require "(T1) -> T2"

[Jeremy Pereira]

> On 19 Apr 2016, at 17:24, Erica Sadun via swift-evolution <swift-evolution at swift.org> wrote:
> 
>> 
> Short of a complete rethink of closure syntax, requiring parentheses there would not improve the language in any measurable way.

Does requiring the parentheses in (T1) -> T2 improve the language in any measurable way?

> 
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